Bump patchlevel.h to 63.

p4raw-id: //depot/perl@822

1 files changed, 60 insertions, 32 deletions

diff --git a/scope.c b/scope.c
index 6de1841eb5..f1a0b6ff09 100644
--- a/scope.c
+++ b/scope.c
@@ -167,11 +167,12 @@ SV *
 save_scalar(GV *gv)
 {
     dTHR;
+    SV **sptr = &GvSV(gv);
     SSCHECK(3);
-    SSPUSHPTR(gv);
-    SSPUSHPTR(GvSV(gv));
+    SSPUSHPTR(SvREFCNT_inc(gv));
+    SSPUSHPTR(SvREFCNT_inc(*sptr));
     SSPUSHINT(SAVEt_SV);
-    return save_scalar_at(&GvSV(gv));
+    return save_scalar_at(sptr);
 }
 
 SV*
@@ -180,7 +181,7 @@ save_svref(SV **sptr)
     dTHR;
     SSCHECK(3);
     SSPUSHPTR(sptr);
-    SSPUSHPTR(*sptr);
+    SSPUSHPTR(SvREFCNT_inc(*sptr));
     SSPUSHINT(SAVEt_SVREF);
     return save_scalar_at(sptr);
 }
@@ -440,35 +441,11 @@ save_delete(HV *hv, char *key, I32 klen)
     SSCHECK(4);
     SSPUSHINT(klen);
     SSPUSHPTR(key);
-    SSPUSHPTR(hv);
+    SSPUSHPTR(SvREFCNT_inc(hv));
     SSPUSHINT(SAVEt_DELETE);
 }
 
 void
-save_aelem(AV *av, I32 idx, SV **sptr)
-{
-    dTHR;
-    SSCHECK(4);
-    SSPUSHPTR(av);
-    SSPUSHINT(idx);
-    SSPUSHPTR(*sptr);
-    SSPUSHINT(SAVEt_AELEM);
-    save_scalar_at(sptr);
-}
-
-void
-save_helem(HV *hv, SV *key, SV **sptr)
-{
-    dTHR;
-    SSCHECK(4);
-    SSPUSHPTR(hv);
-    SSPUSHPTR(key);
-    SSPUSHPTR(*sptr);
-    SSPUSHINT(SAVEt_HELEM);
-    save_scalar_at(sptr);
-}
-
-void
 save_list(register SV **sarg, I32 maxsarg)
 {
     dTHR;
@@ -496,6 +473,30 @@ save_destructor(void (*f) (void *), void *p)
 }
 
 void
+save_aelem(AV *av, I32 idx, SV **sptr)
+{
+    dTHR;
+    SSCHECK(4);
+    SSPUSHPTR(SvREFCNT_inc(av));
+    SSPUSHINT(idx);
+    SSPUSHPTR(SvREFCNT_inc(*sptr));
+    SSPUSHINT(SAVEt_AELEM);
+    save_scalar_at(sptr);
+}
+
+void
+save_helem(HV *hv, SV *key, SV **sptr)
+{
+    dTHR;
+    SSCHECK(4);
+    SSPUSHPTR(SvREFCNT_inc(hv));
+    SSPUSHPTR(SvREFCNT_inc(key));
+    SSPUSHPTR(SvREFCNT_inc(*sptr));
+    SSPUSHINT(SAVEt_HELEM);
+    save_scalar_at(sptr);
+}
+
+void
 save_op(void)
 {
     dTHR;
@@ -532,6 +533,7 @@ leave_scope(I32 base)
 	    value = (SV*)SSPOPPTR;
 	    gv = (GV*)SSPOPPTR;
 	    ptr = &GvSV(gv);
+	    SvREFCNT_dec(gv);
 	    goto restore_sv;
         case SAVEt_SVREF:			/* scalar reference */
 	    value = (SV*)SSPOPPTR;
@@ -563,6 +565,7 @@ leave_scope(I32 base)
 	    localizing = 2;
 	    SvSETMAGIC(value);
 	    localizing = 0;
+	    SvREFCNT_dec(value);
             break;
         case SAVEt_AV:				/* array reference */
 	    av = (AV*)SSPOPPTR;
@@ -719,6 +722,7 @@ leave_scope(I32 base)
 	    hv = (HV*)ptr;
 	    ptr = SSPOPPTR;
 	    (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
+	    SvREFCNT_dec(hv);
 	    Safefree(ptr);
 	    break;
 	case SAVEt_DESTRUCTOR:
@@ -738,14 +742,38 @@ leave_scope(I32 base)
 	    i = SSPOPINT;
 	    av = (AV*)SSPOPPTR;
 	    ptr = av_fetch(av,i,1);
-	    goto restore_sv;
+	    if (ptr) {
+		sv = *(SV**)ptr;
+		if (sv && sv != &sv_undef) {
+		    if (SvRMAGICAL(av) && mg_find((SV*)av, 'P'))
+			(void)SvREFCNT_inc(sv);
+		    SvREFCNT_dec(av);
+		    goto restore_sv;
+		}
+	    }
+	    SvREFCNT_dec(av);
+	    SvREFCNT_dec(value);
+	    break;
 	case SAVEt_HELEM:		/* hash element */
 	    value = (SV*)SSPOPPTR;
 	    sv = (SV*)SSPOPPTR;
 	    hv = (HV*)SSPOPPTR;
 	    ptr = hv_fetch_ent(hv, sv, 1, 0);
-	    ptr = &HeVAL((HE*)ptr);
-	    goto restore_sv;
+	    if (ptr) {
+		SV *oval = HeVAL((HE*)ptr);
+		if (oval && oval != &sv_undef) {
+		    ptr = &HeVAL((HE*)ptr);
+		    if (SvRMAGICAL(hv) && mg_find((SV*)hv, 'P'))
+			(void)SvREFCNT_inc(*(SV**)ptr);
+		    SvREFCNT_dec(hv);
+		    SvREFCNT_dec(sv);
+		    goto restore_sv;
+		}
+	    }
+	    SvREFCNT_dec(hv);
+	    SvREFCNT_dec(sv);
+	    SvREFCNT_dec(value);
+	    break;
 	case SAVEt_OP:
 	    op = (OP*)SSPOPPTR;
 	    break;